package com.hezhiqin.lock;

import java.util.concurrent.ConcurrentHashMap;

/**
 * @program: homeWork
 * @description:
 * @author: hezhiqin
 * @create: 2020-02-10 14:18
 */
public class Chm {
    public  static  ConcurrentHashMap<String,Object>  chm = new ConcurrentHashMap<String,Object>();

    public static void main(String[] args) {
        chm.put("1","sqdqs");
    }
}
